Tenders for Opening And Closing Of Vent Pipes Of Decantation Wells Of Ash Ponds, Patrolling Of Ash Pond Bunds And Diverted Surplus Course Of Perantala Cheruvu, Cleaning Of Jammu, Natchu, Removal Of Silt Etc. In Toe Drains And Leading Channels From Barrel -1, 2 To Recovery Pump House From The Actual Date Of Commencement To March 2026 At Btps